Calorie Calculator: Estimate Daily Energy Needs
A daily calorie estimate can be used for general planning, but energy needs differ from person to person. This tool combines a formula-based BMR estimate with one of four activity multipliers.
How to use this tool
- Select the sex coefficient, then enter age, weight, and height.
- Choose the activity description that most closely matches a typical week.
- Calculate to see estimated maintenance calories per day.
- Treat the number as a broad starting estimate, not a target that must be followed.
Options explained
The activity multiplier scales the BMR estimate to a rough maintenance estimate. The selection is approximate; activity levels and energy needs can change over time.
Accuracy and limitations
This is not medical or dietetic advice and does not account for every health condition or personal factor. Do not use it to diagnose, treat, or manage a health condition; seek a registered healthcare professional for individual advice.
Frequently asked questions
Does this estimate guarantee weight change?
No. It is a rough maintenance estimate, and actual energy needs vary.
What if I am unsure of activity?
Choose the closest option and treat the result cautiously.
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